The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another star. Relat ...

Avi Loeb suggested that NASA may have rushed to conclusions by ruling out the possibility of an artificial aircraft.

A formation known as the "Dumbbell Nebula" – nicknamed because it looks like a dumbbell – should be easy to spot throughout ...

What they lack in visual splendour, a number of fainter stars more than make up for in cosmic importance, Nigel Henbest ...

Mercury begins to emerge from the dawn glow after Aug. 12. On Aug. 19, Mercury reaches its greatest elongation west of the ...

Far from being an icy enigma, Uranus is now known to radiate some of its own heat, hinting at a more dynamic history than ...

Here is your August 2025 guide for celestial events. The year will feature 12 full Moons, plenty of meteor showers, four ...

Loeb has developed what he calls the 'Loeb Scale', a ranking system to evaluate the likelihood that an object is artificial, ...

Showing that you shouldn't draw conclusions based on too few facts, new NASA research suggests that a decades-old view of ...

A mysterious object from outside our solar system-one that a Harvard scientist suggests could be alien technology-is making ...

NASA is preparing 1st crewed mission to lunar surface in half decade via Artemis program as it continues surveying Mars, ...

During the last week of July and for a fair amount of August, there’s still time to spot some noctilucent cloud activity, as captured recently ...